Lens



FIG. 1 is a perspective view of lens showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another front view of the lens, shown in a position of use.

The portions shown in dashed lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for lens, as shown and described. 